DE3372688D1 - Protective device for asynchronous motors - Google Patents

Protective device for asynchronous motors

Info

Publication number
DE3372688D1
DE3372688D1 DE8383103868T DE3372688T DE3372688D1 DE 3372688 D1 DE3372688 D1 DE 3372688D1 DE 8383103868 T DE8383103868 T DE 8383103868T DE 3372688 T DE3372688 T DE 3372688T DE 3372688 D1 DE3372688 D1 DE 3372688D1
Authority
DE
Germany
Prior art keywords
protective device
asynchronous motors
asynchronous
motors
protective
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8383103868T
Other languages
German (de)
Inventor
Walter Dipl Ing Kolmeder
Hugo Dipl Ing Stadler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Loher GmbH
Original Assignee
Loher GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19823228954 external-priority patent/DE3228954C2/en
Application filed by Loher GmbH filed Critical Loher GmbH
Priority to DE8383103868T priority Critical patent/DE3372688D1/en
Application granted granted Critical
Publication of DE3372688D1 publication Critical patent/DE3372688D1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
DE8383103868T 1982-08-03 1983-04-20 Protective device for asynchronous motors Expired DE3372688D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8383103868T DE3372688D1 (en) 1982-08-03 1983-04-20 Protective device for asynchronous motors

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19823228954 DE3228954C2 (en) 1982-08-03 1982-08-03 Protective device for asynchronous motors
DE3237800A DE3237800C2 (en) 1982-08-03 1982-10-12 Protective device for asynchronous motors
DE8383103868T DE3372688D1 (en) 1982-08-03 1983-04-20 Protective device for asynchronous motors

Publications (1)

Publication Number Publication Date
DE3372688D1 true DE3372688D1 (en) 1987-08-27

Family

ID=25803514

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3237800A Expired DE3237800C2 (en) 1982-08-03 1982-10-12 Protective device for asynchronous motors
DE8383103868T Expired DE3372688D1 (en) 1982-08-03 1983-04-20 Protective device for asynchronous motors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3237800A Expired DE3237800C2 (en) 1982-08-03 1982-10-12 Protective device for asynchronous motors

Country Status (5)

Country Link
EP (1) EP0105077B1 (en)
DE (2) DE3237800C2 (en)
DK (1) DK573382A (en)
FI (1) FI824447L (en)
NO (1) NO159969C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3478655D1 (en) * 1983-03-23 1989-07-13 Mitsubishi Electric Corp Apparatus for detecting ground fault in variable-voltage variable-frequency power system
JPS59173770A (en) * 1983-03-23 1984-10-01 Mitsubishi Electric Corp Detection of frequency
KR850000683A (en) * 1983-06-30 1985-02-28 카다야마 히도하지로 Voltage detection device of variable frequency power system
DE4331640C1 (en) * 1993-09-17 1995-03-09 Webasto Karosseriesysteme Method and device for turning off or reversing a drive arrangement for a motor vehicle part which can be moved
GB9624724D0 (en) * 1996-11-28 1997-01-15 Marconi Gec Ltd Electric motor monitoring arrangement
DE10331239A1 (en) * 2003-07-10 2005-02-03 Robert Bosch Gmbh Monitoring electronics for an electric motor and method for monitoring an electric motor
EP1887369B1 (en) * 2006-08-11 2010-10-27 Jürgen Pfältzer Device and method for monitoring the triphase current of a triphase electric motor, particularly in plating
US8207698B2 (en) 2009-02-24 2012-06-26 Ford Global Technologies, Llc Electric drive system for an automotive vehicle
DE102016218334B4 (en) 2016-09-23 2020-03-05 Siemens Aktiengesellschaft Motor device for a switch drive of an electrical switch

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719873A (en) * 1971-06-15 1973-03-06 Gen Electric Current limiting control for an electric power system
US3775651A (en) * 1971-12-17 1973-11-27 Gen Electric Power system overcurrent protection means utilizing voltage adjustment
GB1459176A (en) * 1972-11-01 1976-12-22 Square D Co Overcurrent protective apparatus for a power circuit
US4000446A (en) * 1975-06-04 1976-12-28 Borg-Warner Corporation Overload protection system for three-phase submersible pump motor
US4354214A (en) * 1979-09-11 1982-10-12 Walton John F Motor protection circuit
JPS58172927A (en) * 1982-04-02 1983-10-11 株式会社日立製作所 Overload protecting device
DE3228954C2 (en) * 1982-08-03 1985-11-21 Loher Gmbh, 8399 Ruhstorf Protective device for asynchronous motors

Also Published As

Publication number Publication date
DE3237800A1 (en) 1984-04-12
NO159969C (en) 1989-02-22
FI824447L (en) 1984-02-04
NO830043L (en) 1984-02-06
EP0105077A1 (en) 1984-04-11
NO159969B (en) 1988-11-14
DE3237800C2 (en) 1986-09-11
FI824447A0 (en) 1982-12-23
DK573382A (en) 1984-02-04
EP0105077B1 (en) 1987-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee